露兜樹屬常綠喬木，原產馬達加斯加及模里西斯、留尼旺等島嶼。樹高可達8m。主幹直立，分枝少，基部有粗壯的氣生支持根。帶狀長披針形葉螺旋生長於莖頂，葉長可達2m、寬5~10cm，葉緣及主脈基部有紅色鉤刺。雌雄異株，花上有白色苞片，雌花序頭狀、雄花序穗狀形同絲瓜絡。下垂綠色聚合果球形，成熟後自然脫落，能漂浮於水上以海流散佈。

An evergreen tree in the genus Pandanus, native to islands like Madagascar, Mauritius, and Réunion. Tree height up to 8m, trunk erect, few branched, sturdy aerial supporting roots borne at the base. Strap long lanceolate leaves spirally grow on the top of the stem, up to 2m long, 5-10cm wide; red barbs on the margin and the main vein base. Dioecious, bracts white, female inflorescence head-shaped and male one spike-shaped like a loofah. The drooping green aggregate spherical fruits fall off when mature, float on water and spread by ocean currents.

全日照或半日照溫暖環境，植株高大壯碩，多直接露地栽培，種植地須排水良好，以砂土或砂質壤土較適宜。耐旱性強，地植者不需要澆水，盆栽者等介質乾燥才澆水。種植初期可每季施用一次長效性綜合肥料以促進生長，之後不需要施肥。繁殖使用播種法。

Preferably full-sun or partial-sun and warm environments. This tall and sturdy plant is mostly planted in open fields in well-drained media like sandy soil or sandy loam. The plant is highly tolerant to drought, watering is not required if grown on the ground, for potted ones, it’s advisable to water only when the soil dries. Apply a slow-release compound fertilizer once a season to promote the growth at the beginning and no needs to fertilize afterwards. Propagated by seeds.

造型特異的觀賞樹木，適合濱海地區或營造熱帶風情的庭院內種植。通常單獨種植以凸顯造型，亦可列植為景觀行道樹。葉片可作為纖維材料，製作繩索、籃子、墊子、帽子、餐墊、網以及覆蓋屋頂。果實煮熟可以食用。

The tree is grown for the peculiar posture, suitable for planting in coastal areas or courtyards to create a tropical atmosphere. It’s usually planted alone to highlight the shape, or as a streetscaping tree. The blade can be used as a fiber material to make ropes, baskets, cushions, hats, placemats, nets, and roof coverings. The fruit is edible after being cooked.